Home / 21,465.75-32,161.08-14,896.11

Finding the Fourth Proportional to 21,465.75, 32,161.08 and 14,896.11

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Solution

The fourth proportional to 21,465.75, 32,161.08 and 14,896.11 is: 22,318.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,465.75 : 32,161.08 = 14,896.11 : x
  2. Step 2: Convert to fraction form
    21,465.75/32,161.08 = 14,896.11/x
  3. Step 3: Cross multiply
    21,465.75x = 32,161.08 × 14,896.11
  4. Step 4: Simplify right side
    21,465.75x = 479,074,985.40
  5. Step 5: Solve for x
    x = 479,074,985.40/21,465.75
  6. Step 6: Final answer
    x = 22,318.11

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.